Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsSternglas Naos Solar

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Naos Solar
SternglasNaos Solar
MSRP $323
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Naos Solar38mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Naos Solar
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Naos Solar50m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Naos Solar$323

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
41mm
38mm
Thickness
16mm
10mm
Lug-to-Lug
46mm
42mm
Lug Width
22mm
20mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
Beige
Lume
None
Luminova Punkten

Movement

4 specs
Caliber
H-31
Seiko VJ76
Type
Automatic
Solar
Power Reserve
60h
Jewels
25

Pricing

1 specs
MSRP
$1,995
$323
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